// Protocol Buffers - Google's data interchange format
// Copyright 2010 Andrew Kimpton & Google Inc.  All rights reserved.
// http://code.google.com/p/protobuf/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
//     * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

// Author: awk@awkward.org
//  Based on original Protocol Buffers design by
//  Kenton Varda, Sanjay Ghemawat, Jeff Dean, and others.

#ifndef __SERVICE_GENERATOR_H__
#define __SERVICE_GENERATOR_H__


#include <map>
#include <string>


namespace google {
namespace protobuf {
  class ServiceDescriptor;     // descriptor.h
  namespace io {
    class Printer;             // printer.h
  }
}
}


class ServiceGenerator {
protected:
  typedef std::map<std::string, std::string> var_map;

public:
  explicit ServiceGenerator(const google::protobuf::ServiceDescriptor* descriptor);

  ~ServiceGenerator();

  // Header stuff.

  // Generate the class definitions for the service's interface and the
  // stub implementation.
  void GenerateDeclarations(google::protobuf::io::Printer* printer);

  // Source file stuff.

  // Generate code that initializes the global variable storing the service's
  // descriptor.
  void GenerateDescriptorInitializer(google::protobuf::io::Printer* printer, int index);

  // Generate implementations of everything declared by GenerateDeclarations().
  void GenerateImplementation(google::protobuf::io::Printer* printer);

  // Header stuff.

  // Generate the service abstract interface.
  void GenerateInterface(google::protobuf::io::Printer* printer);

  // Generate the stub class definition.
  void GenerateStubDefinition(google::protobuf::io::Printer* printer);

  // Prints signatures for all methods in the
  void GenerateMethodSignatures(bool isNonVirtual,
                                google::protobuf::io::Printer* printer);

  // Source file stuff.

  // Generate the default implementations of the service methods, which
  // produce a "not implemented" error.
  void GenerateNotImplementedMethods(google::protobuf::io::Printer* printer);

  // Generate the CallMethod() method of the service.
  void GenerateCallMethod(google::protobuf::io::Printer* printer);

  // Generate the Get{Request,Response}Prototype() methods.
  void GenerateGetPrototype(bool isResponse, google::protobuf::io::Printer* printer);

  // Generate the stub's implementations of the service methods.
  void GenerateStubMethods(google::protobuf::io::Printer* printer);

  const google::protobuf::ServiceDescriptor* descriptor_;
  var_map vars_;
};


#endif // __SERVICE_GENERATOR_H__
